I've tried a newer 2.4ghz set, a cheap bargain set. They both ring fine when connected up to a TDM400 FXS port.
The Sipura doesn't fluctuate from 100VAC, regardless of whether it thinks it's ringing or not. On Tue, 19 Jul 2005, Jim Van Meggelen wrote: > [EMAIL PROTECTED] wrote: > > The connection goes directly from the Sipura to the handset > > over a standard 6ft grey cable. I've tried a few different > > cables. > > OK. Just ruling out an impairment somewhere in the wiring. > > > With no handset connected, it sitting at 100VAC. I guess the > > ring generator isn't working. > > If you're getting 100VAC, the ring generator *is* working. You should be > seeing 100VAC for two seconds, then 0 (or minimal) AC voltage for 4 > seconds, then 100 for 2, 0 for 4, etc. A ring cycle is six seconds - 2 > on, 4 off. > > You've tried different sets? > > Jim. > > > > On Tue, 19 Jul 2005, Jim Van Meggelen wrote: > > > >> [EMAIL PROTECTED] wrote: > >>> It does default to 25hz, but switching it to 20hz didn't > >>> make a difference. > >> > >> It was a long shot. Still. 20Hz is correct, so might as well > >> leave it that way > >> > >>> I'm an absolute novice when it comes to the electrical side > >>> of POTS. How should I be measuring the voltage? In parallel > >>> with a handset? > >> > >> No need to have anyting on the end of the line. Connect a > >> voltmeter to tip and ring (doesn't matter which polarity you > >> connect - one probe to each contact), and go from there. The > >> voltage will be there regardless of whether any phones are > >> connected to the circuit. If you cannot detect any voltage > >> (or it's well below 70VAC), that'll explain why the sets > >> won't ring. > >> > >> Are you plugging directly into the FXS port on the Sipura? No > >> cabling or anything involved? > >> > >> Jim. > >> > >> > >> > >>> On Tue, 19 Jul 2005, Jim Van Meggelen wrote: > >>> > >>>> Simon P. Ditner wrote: > >>>>> Is there some trick I'm missing that's required to get the > >>>>> Sipura 1001 FXS to ring a handset? > >>>>> > >>>>> - I reset the unit to factory defaults > >>>>> - I put in the asterisk connection settings, and it > >>>>> registers > >>>>> - I call it from another phone, and see it come through > >>>>> asterisk > >>>>> - web interface of the sipura reports that the line is > >>>>> ringing > >>>>> - No handset I plug into the bugger will ring, though the > >>>>> call is there if I pick it up > >>>> > >>>> Change the ringing frequency from 25Hz to 20Hz. Some of the > >>>> Sipuras default to 25Hz, but in NA the norm is 20Hz. It > >>>> generally shouldn't make a difference, but on some phones > >>>> (especially older ones) it might. > >>>> > >>>> Also, check with a volt meter that you're getting ringing > >>>> voltage (roughly 70-90VAC). Possibly the ring generator in > >>>> the unit is blown. > >>>> > >>>> Jim. > >>>> > >>>> > >>>> -- > >>>> Jim Van Meggelen > >>>> [EMAIL PROTECTED] > >>>> http://www.oreillynet.com/pub/au/2177 > > -- > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.323 / Virus Database: 267.9.1/51 - Release Date: 18/07/2005 > > >
